DUDA KENNETH

PrivateCIK: 1605808
Location

SANTA CLARA, CA

DUDA KENNETH (CTO and SVP Software Eng.) sold 10.7% of their position (58K shares) of ARISTA NETWORKS, INC. on the open market

Open‑market sale worth $8.12M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 15 sales
InsiderDUDA KENNETHCIK 1605808
IssuerARISTA NETWORKS, INC.CIK 1596532
Officer· CTO and SVP Software Eng.
Since Jul 2018
-58K
Net shares
Net seller
$8.12M
Total sold
15
Open market trades
0B · 15S
17
Total transactions
32K acquired · 90K disposed
Non-Derivative Transactions16

Common Stock

Direct
M · Option Exercise

Shares

+32K

Price / share

$15.26

Trade value

$488.40K

% of position

246.6%
5/18/2026
12.98K44.98K

Common Stock

Direct
S · Sale

Shares

14.50K

Price / share

$139.41

Trade value

$2.02M

% of position

32.2%
5/18/2026
44.98K30.48K

Common Stock

Direct
S · Sale

Shares

12.40K

Price / share

$140.13

Trade value

$1.74M

% of position

40.7%
5/18/2026
30.48K18.07K

Common Stock

Direct
S · Sale

Shares

3.08K

Price / share

$141.34

Trade value

$435.45K

% of position

17.1%
5/18/2026
18.07K14.99K

Common Stock

Direct
S · Sale

Shares

1.10K

Price / share

$142.34

Trade value

$157K

% of position

7.4%
5/18/2026
14.99K13.89K

Common Stock

Direct
S · Sale

Shares

910.00

Price / share

$143.23

Trade value

$130.34K

% of position

6.6%
5/18/2026
13.89K12.98K

Common Stock

Indirect
S · Sale

Shares

7.25K

Price / share

$139.41

Trade value

$1.01M

% of position

0.7%
5/18/2026
1.08M1.07M

Common Stock

Indirect
S · Sale

Shares

6.20K

Price / share

$140.13

Trade value

$869.10K

% of position

0.6%
5/18/2026
1.07M1.07M

Common Stock

Indirect
S · Sale

Shares

1.54K

Price / share

$141.34

Trade value

$217.66K

% of position

0.1%
5/18/2026
1.07M1.06M

Common Stock

Indirect
S · Sale

Shares

552.00

Price / share

$142.34

Trade value

$78.57K

% of position

0.1%
5/18/2026
1.06M1.06M

Common Stock

Indirect
S · Sale

Shares

455.00

Price / share

$143.23

Trade value

$65.17K

% of position

0.0%
5/18/2026
1.06M1.06M

Common Stock

Indirect
S · Sale

Shares

4.53K

Price / share

$139.41

Trade value

$631.80K

% of position

0.9%
5/18/2026
492.40K487.87K

Common Stock

Indirect
S · Sale

Shares

3.88K

Price / share

$140.13

Trade value

$543.15K

% of position

0.8%
5/18/2026
487.87K483.99K

Common Stock

Indirect
S · Sale

Shares

963.00

Price / share

$141.34

Trade value

$136.11K

% of position

0.2%
5/18/2026
483.99K483.03K

Common Stock

Indirect
S · Sale

Shares

345.00

Price / share

$142.34

Trade value

$49.11K

% of position

0.1%
5/18/2026
483.03K482.68K

Common Stock

Indirect
S · Sale

Shares

284.00

Price / share

$143.23

Trade value

$40.68K

% of position

0.1%
5/18/2026
482.68K482.40K
Total

Net shares

26K

Net value

-$7.64M

Derivative Transactions1

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

32K shares

Shares

32K

Strike price

15.2625

Held after

0.00

Exercisable

5/18/2026
Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect
Shares owned702.15K

Common Stock

Indirect
Shares owned201.13K

Common Stock

Indirect
Shares owned702.15K
Total
1.61M indirect1.61M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DUDA KENNETH — Insider Transaction (Form 4) Filed May 20, 2026 | Finecho